TSN Hockey Insider Martin Biron joins First Up to chat about Mitch Marner's contract on the open market, what's too much for Brad Marchand in free agency, the trade rumour mill around the Buffalo Sabres and how they can improve this offseason. 

Join Toronto's top new pair in the mornings on First Up with Korolnek and Colaiacovo, weekdays from 6-10am.

Born and bred in the city, former Maple Leaf Carlo Colaiacovo, who with his 14 years experience in the NHL, brings you inside the locker room like very few can.

<p dir="ltr" data-test-bidi="">Join Toronto's top new pair in the mornings on First Up with Korolnek and Colaiacovo, weekdays from 6-10am.</p>
<p dir="ltr" data-test-bidi="">Born and bred in the city, former Maple Leaf Carlo Colaiacovo, who with his 14 years experience in the NHL, brings you inside the locker room like very few can.</p>